Female admirers sent the killer letters before his guilty plea pledging their support and asking to visit him in prison.

Some of the letters that have released by the Weld County District Attorney’s office, even include confused, disproven theories about how his family could have died. It is unclear if Watts, 33, has received any of the letters intercepted by the jail. It is also not known how many letters have been sent since Watts was sentenced.

One woman, who signed off as Candace, wrote to the felon regularly, saying she thinks about him “every single day” and got “mad as hell” when she saw negative comments about him on social media.

Part of Candace's letter. Image: Weld County District Attorney.

"I absolutely do not believe what everyone is saying 'bout you. In my eyes their (sic) all wrong," she wrote.

The woman also begged to be added to his visitation list and said she does "not care about what happened" but she does "really care about" him.

"You are very, very special to me."

Meanwhile, an Australian woman named Kate enclosed photos of herself with the letter she wrote telling Watts he "honestly [has] one of the kindest faces I've ever seen".

She said she was troubled by the thought of Watts being alone in his jail cell.

"I don't even know you, yet I don't want you to feel alone."

The Australian woman said she felt compelled to write to him. Image: Weld County District Attorney.

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In another bizarre correspondence, a Hawaiian woman sent Watts a postcard from Maui offering him some banana bread.

Another woman shared her baseless theory that Shannan killed the girls and he strangled her out of rage - a deluded version of events no one investigating the case had ever suggested.

"She was always saying how you're the best thing that ever happened to her," the woman wrote.

Others, who perhaps did believe in Watts' guilt, told him to turn to religion, The Mirrorreports.

Watts has been sentenced to three consecutive life sentences without parole after pleading guilty to three counts of murder, two counts of killing a child in your care and other counts relating to tampering with dead bodies.

He avoided the death penalty by pleading guilty.

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